JP3206384U - Rolling member for vibration control unit - Google Patents

Abstract

The present invention provides a vibration isolation device that has good response to small vibrations and can exhibit a vibration isolation function for large vibrations. A rolling member 3 is interposed at an intermediate position between upper and lower double saucers or a plurality of upper and lower saucers of a vibration damping device installed between a floor surface 12 and an upper structure 11. In addition, seismic isolation due to rolling of the rolling member is generated for small shaking of the earthquake, and pendulum motion is caused by sliding of the inner receiving members 6 and 7 with respect to the outer receiving members 4 and 5 for large shaking. Thus, the rolling member is configured to receive a suppression resistance between the upper tray member and the lower tray member to generate a vibration damping function. [Selection] Figure 1

Description

  The present invention relates to a rolling member for a vibration damping isolation unit, which is particularly responsive to small shaking of an earthquake and can exhibit a damping function against a large shaking. About.

  Various seismic isolation devices have been developed in order to protect structures from earthquake vibrations. For example, as shown in Japanese Patent Application Laid-Open No. 2002-266933, a cone-contained isolation bearing is known. is there.

  JP 2002-266933 A

  However, the ball-contained isolation bearing in the cone has good response to small earthquake shaking, but the device itself has no braking function, so that there is a problem that the shaking is difficult to be settled.

  The present invention has been made as a result of earnest research to solve the above-mentioned problems, and has excellent response to even small shaking of an earthquake and can exhibit a damping function against large shaking. A rolling member for use is provided.

A rolling member is interposed in the middle of the upper and lower double saucer structures or multiple stacked upper and lower saucer structures of the vibration control device installed between the floor and the upper structure. Produces seismic isolation due to rolling of the rolling member, and with respect to large shaking, a pendulum motion occurs due to the inner saucer member, resulting in seismic isolation, and the rolling member is an upper saucer member and a lower saucer member. It is configured to generate a vibration suppression function by receiving the suppression resistance between
A rolling member is inserted between the upper tray member in which the partial spherical concave portion or the partial non-spherical concave portion is formed and the lower tray member in which the partial spherical concave portion or the partial non-spherical concave portion is formed. The upper and lower convex portions of the member are formed as partial spherical convex portions or partial non-spherical convex portions, respectively, and are formed asymmetrically, and are accommodated between the upper tray member and the lower tray member. The material of the rolling member is made of metal, plastic or rubber, or a combination of these, and has a response due to rolling of the rolling member against small earthquake shaking. The vibration isolator is characterized in that the rolling member receives a suppression resistance of the partial non-spherical concave portion between the upper and lower tray members to generate a damping function against a large shake. Rolling member for unit.

  According to the rolling member for a vibration damping device of the present invention, it has responsiveness due to rolling of the rolling member with respect to small shaking of the earthquake, and the rolling member with the upper tray member with respect to large shaking. Since it is configured to receive the suppression resistance of the partial non-spherical concave portion between the lower tray members and generate a vibration suppression function, it can have a vibration suppression function continuously even when shifting from a small vibration to a large vibration.

  It is principal part sectional drawing of the damping device which concerns on this invention.   It is a perspective view of the rolling member which shows the 1st Example of the vibration isolator which concerns on this invention.   FIG. 3 is a plan view of FIG. 2.   FIG. 4 is a side view of FIG. 3.   It is sectional drawing of the rolling member which shows the 2nd Example of a vibration isolator.   FIG. 6 is a plan view of FIG. 5.   FIG. 6 is a side view of FIG. 5.   It is sectional drawing of the rolling member which shows the 3rd Example of a vibration isolator.   It is a top view of FIG.   It is a side view of FIG.   It is sectional drawing of the rolling member which shows the 4th Example of a vibration isolator.   It is a top view of FIG.   It is a side view of FIG.

  In the present invention, a rolling member is interposed between the upper and lower double tray structures of the vibration control device installed between the floor and the superstructure. In addition to causing seismic isolation due to rolling of the member, the pendulum movement by the inner saucer member occurs for large shaking, resulting in seismic isolation, and the rolling member is suppressed between the upper and lower saucer members. It is configured to receive resistance and generate a vibration control function, and is an upper receiving plate member having a partially spherical recess or a partially non-spherical recess and a bottom surface having a partially spherical or partially non-spherical recess. A rolling member is inserted between the side tray member, and the upper and lower convex portions of the rolling member are formed as partial spherical convex portions or partial non-spherical convex portions, respectively, and are formed asymmetrically. Between the upper and lower tray members. The material of the rolling member is made of metal, plastic or rubber, or a combination thereof, and is responsive to the rolling of the rolling member for small earthquake shaking. The vibration control device is configured to generate a vibration suppression function by receiving a suppression resistance of a partial non-spherical concave portion between the upper tray member and the lower tray member for large shaking. A rolling member for a seismic isolation device is provided.

  A first embodiment of the vibration damping device of the present invention will be described below with reference to FIGS. A rolling member 20 is interposed at an intermediate position between the upper and lower double trays of the vibration isolation unit 1 installed between the floor 12 and the upper structure 11.

  A lower concave tray receiving member 5 is fixed on the floor 12, and an upper concave tray receiving member 4 is fixed to the upper structure 11.

  The lower sliding convex surface portion 7 is in contact with the inner side of the lower concave portion tray member 5, and the upper sliding convex surface portion 6 is in contact with the inner side of the upper concave surface portion tray member 4.

  A cast iron sphere 3 is installed at the center of the ring rubber 21 formed by the ring-shaped rubber inclined surface 22 and the ring-type rubber flat friction portion 23, and the cast iron sphere 3 is formed of a cylindrical body 54 made of a thin plate material such as aluminum. The cylinder 54 is present inside and has an action of suppressing the extreme deformation of the ring-shaped rubber 21 that occurs when the cast iron sphere 3 rotates.

  In addition to seismic isolation due to the rolling of the rolling member 20 for small earthquake shaking, the upper and lower sliding convex members 6 and 7 slide greatly to produce a vibration damping isolation effect.

  That is, a pendulum motion is generated inside the upper and lower concave surface receiving tray members 4 and 5 to produce seismic isolation, and the rolling member 20 receives a suppression resistance between the upper concave surface receiving tray member 4 and the lower concave surface portion receiving tray member 5. It is configured to produce a vibration damping function.

  Based on FIG. 6 thru | or FIG. 7, Example 2 of the vibration isolator which is this invention is demonstrated below. As in the case of the first embodiment, the lower concave portion saucer member 5 is fixed on the floor surface 12, and the upper concave portion saucer member 4 is fixed to the upper structure 11.

  The lower sliding convex surface portion 7 is in contact with the inner side of the lower concave portion tray member 5, and the upper sliding convex surface portion 6 is in contact with the inner side of the upper concave surface portion tray member 4.

  A cast iron sphere 35 is placed in the center of the ring-type rubber 31 formed from the ring-type rubber ridge line portion 32 and the ring-type rubber flat friction portion 33, and forms a rolling member 30.

  The upper and lower umbrella-type structures of the ring rubber 31 are connected by an elastic rubber 34, and a cast iron sphere 35 is placed in the center of the ring rubber 31, and the cast iron sphere 35 is a cylinder made of a thin plate material such as aluminum. It exists in the body 36, and the cylindrical body 36 has an action of suppressing the extreme deformation of the ring-type rubber 31 generated when the cast iron sphere 35 rotates.

  The seismic isolation due to the rolling of the rolling member 30 is generated for small shaking of the earthquake, and the upper and lower sliding convex members 6 and 7 are greatly slid to generate a vibration damping isolation effect for the large shaking. And the rolling member 30 is comprised so that the suppression resistance of the upper side concave surface part saucer member 4 and the lower side concave surface part saucer member 5 may receive the vibration suppression function.

A third embodiment of the vibration damping device of the present invention will be described with reference to FIGS.
First, as in the case of the first embodiment, the lower concave portion saucer member 5 is fixed on the floor surface 12, and the upper concave portion saucer member 4 is fixed to the upper structure 11.

  The lower sliding convex surface portion is in contact with the inner side of the lower concave portion tray member 5, and the upper sliding convex surface portion 6 is in contact with the inner side of the upper concave surface portion tray member 4.

  The upper and lower umbrella-type structures of the rubber member 41 are connected by an elastic rubber 43 R, and an oilless cast iron plate 42 is molded on the central upper and lower top portions of the rubber member 41 to form a rolling member 40.

  The seismic isolation due to the rolling of the rolling member 40 is generated for a small earthquake, and the upper and lower sliding convex members 6 and 7 are greatly slid to generate a vibration isolation effect. In addition, the rolling member 40 is configured to receive a suppression resistance between the upper concave portion receiving tray member 4 and the lower concave portion receiving tray member 5 to generate a vibration damping function.

A fourth embodiment of the vibration damping device of the present invention will be described with reference to FIGS.
First, as in the case of the first embodiment, the lower concave portion saucer member 5 is fixed on the floor surface 12, and the upper concave portion saucer member 4 is fixed to the upper structure 11.

  The lower sliding convex surface portion 7 is in contact with the inner side of the lower concave portion tray member 5, and the upper sliding convex surface portion 6 is in contact with the inner side of the upper concave surface portion tray member 4.

  The upper and lower umbrella-type structures of the rubber member 51 are connected by a constricted portion 53 made of the same material, and an oilless cast iron plate 52 is molded on the central upper and lower top portions of the metal or plastic member 51 to form a rolling member 50. Yes.

  The seismic isolation due to the rolling of the rolling member 50 is generated for small shaking of the earthquake, and the upper and lower sliding convex members 6 and 7 are greatly slid to produce a vibration damping effect. And the rolling member 50 is comprised so that the suppression resistance between the upper side concave surface part saucer member 4 and the lower side concave surface part saucer member 5 may receive, and a damping function may be produced.

DESCRIPTION OF SYMBOLS 1 Damping isolation unit 11 Superstructure 12 Floor 20 Rolling member 21 Ring type rubber 22 Ring type rubber inclined surface 23 Ring type rubber flat friction part 3 Cast iron ball 4 Upper concave part saucer member 5 Lower concave part saucer member 6 Upper sliding convex portion 7 Lower sliding convex portion 30 Rolling member 31 Ring type metal or plastic 32 Ring type metal or plastic ridge line portion 33 Ring type metal or plastic flat portion 34 Elastic rubber 35 Cast iron sphere 36 Cylindrical body 40 Rolling member 41 Metal or plastic member 42 Cast iron plate 43 Elastic rubber 50 Rolling member 51 Metal or plastic member 52 Cast iron plate 53 Constricted portion

Claims (4)

  A rolling member is interposed between the upper and lower double basins of the seismic control device installed between the floor and the upper structure. The rolling member rolls against small earthquake shaking. In addition to producing seismic isolation, the pendulum movement by the inner saucer member occurs for large shaking, resulting in seismic isolation, and the rolling member receives a suppression resistance between the upper saucer member and the lower saucer member, A vibration isolation device that is configured to generate a vibration suppression function.   A rolling member is inserted between the upper tray member in which the partial spherical concave portion or the partial non-spherical concave portion is formed and the lower tray member in which the partial spherical concave portion or the partial non-spherical concave portion is formed. 2. The vibration isolator according to claim 1, wherein the upper and lower convex portions of the member are formed as partial spherical convex portions or partial non-spherical convex portions, respectively, and are formed asymmetrically.   The control member according to claim 1, wherein the material of the rolling member housed between the upper tray member and the lower tray member is made of metal, plastic or rubber, or a combination thereof. Vibration isolation device.   It has responsiveness due to rolling of the rolling member for small earthquake shaking, and the rolling member has a resistance to suppress the partial aspherical recess between the upper and lower tray members for large shaking. The vibration isolator of claim 1, wherein the vibration isolator is configured to receive and control vibration.

Images